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[afnog]Weekly Routing Table Report
- To: apops at apops.net, rtma at arin.net, routing-wg at ripe.net,afnog at afnog.org
- Subject: [afnog]Weekly Routing Table Report
- From: Routing Table Analysis <cscora at thyme.apnic.net>
- Date: Sat, 13 Sep 2003 04:07:52 +1000 (EST)
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This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats at lists.apnic.net
If you have any comments please contact Philip Smith <pfs at cisco.com>.
Routing Table Report 04:00 +10GMT Sat 13 Sep, 2003
Analysis Summary
----------------
BGP routing table entries examined: 127842
Prefixes after maximum aggregation: 80137
Unique aggregates announced to Internet: 61870
Total ASes present in the Internet Routing Table: 15804
Origin-only ASes present in the Internet Routing Table: 13695
Origin ASes announcing only one prefix: 6229
Transit ASes present in the Internet Routing Table: 2109
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 5.0
Max AS path length visible: 27
Illegal AS announcements present in the Routing Table: 3
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 14
Number of addresses announced to Internet: 1242608416
Equivalent to 74 /8s, 16 /16s and 179 /24s
Percentage of available address space announced: 33.5
Percentage of allocated address space announced: 59.9
Percentage of available address space allocated: 56.0
Total number of prefixes smaller than registry allocations: 56770
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 22382
Total APNIC prefixes after maximum aggregation: 12642
Prefixes being announced from the APNIC address blocks: 20800
Unique aggregates announced from the APNIC address blocks: 12476
APNIC Region origin ASes present in the Internet Routing Table: 1879
APNIC Region origin ASes announcing only one prefix: 539
APNIC Region transit ASes present in the Internet Routing Table: 310
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 121830912
Equivalent to 7 /8s, 66 /16s and 254 /24s
Percentage of available APNIC address space announced: 65.6
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 77606
Total ARIN prefixes after maximum aggregation: 48745
Prefixes being announced from the ARIN address blocks: 55327
Unique aggregates announced from the ARIN address blocks: 17460
ARIN Region origin ASes present in the Internet Routing Table: 8663
ARIN Region origin ASes announcing only one prefix: 2976
ARIN Region transit ASes present in the Internet Routing Table: 841
Average ARIN Region AS path length visible: 4.8
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 197046304
Equivalent to 11 /8s, 190 /16s and 176 /24s
Percentage of available ARIN address space announced: 73.4
ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106
2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 - 3153
3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 - 7466
7723 - 8191, 10240 - 12287, 13312 - 15359
16384 - 17407, 18432 - 20479, 21504 - 23551
25600 - 26591, 26624 - 27647, 29695 - 30719
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 199/8, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 22408
Total RIPE prefixes after maximum aggregation: 16459
Prefixes being announced from the RIPE address blocks: 18949
Unique aggregates announced from the RIPE address blocks: 12796
RIPE Region origin ASes present in the Internet Routing Table: 4842
RIPE Region origin ASes announcing only one prefix: 2618
RIPE Region transit ASes present in the Internet Routing Table: 858
Average RIPE Region AS path length visible: 5.6
Max RIPE Region AS path length visible: 27
Number of RIPE addresses announced to Internet: 135868480
Equivalent to 8 /8s, 25 /16s and 48 /24s
Percentage of available RIPE address space announced: 73.6
RIPE AS Blocks 1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614
2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631
6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383
20480 - 21503, 24576 - 25599, 28672 - 29695
RIPE Address Blocks 62/8, 80/7, 82/8, 188/8, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 5444
Total LACNIC prefixes after maximum aggregation: 2291
Prefixes being announced from the LACNIC address blocks: 4885
Unique aggregates announced from the LACNIC address blocks: 3136
LACNIC Region origin ASes present in the Internet Routing Table: 347
LACNIC Region origin ASes announcing only one prefix: 96
LACNIC Region transit ASes present in the Internet Routing Table: 70
Average LACNIC Region AS path length visible: 5.4
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 13202176
Equivalent to 0 /8s, 201 /16s and 115 /24s
Percentage of available LACNIC address space announced: 39.3
LACNIC AS Blocks 26592 - 26623, 27648 - 28671
LACNIC Address Blocks 200/7
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 973 1109 692 Telstra Pty Ltd
4755 405 134 69 Videsh Sanchar Nigam Ltd. Aut
2907 375 1896 350 SINET Japan
703 336 371 265 UUNET
4134 328 2223 107 Data Communications Bureau
17557 306 22 136 Pakistan Telecom
2764 287 322 256 connect.com.au pty ltd
7474 268 290 209 Optus Communications Pty Ltd
17676 261 3962 25 XTAGE CORPORATION
9583 253 38 23 Satyam Infoway Ltd.,
3786 237 773 203 DACOM Corporation
4766 228 2461 171 Korea Internet Exchange for "
9800 201 331 54 CHINA UNICOM
9443 185 58 82 Primus Telecommunications
9498 181 16 36 BHARTI BT INTERNET LTD.
4538 173 1586 20 China Education and Research
9929 173 160 36 China Netcom Corp.
9942 161 69 102 COMindico Australia
9829 158 101 17 National Internet Backbone
17642 155 40 116 RequestDSL BGP AS# for Sydney
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1477 8770 1032 UUNET Technologies, Inc.
7018 1389 7111 973 AT&T
3908 920 1573 489 Supernet, Inc.
1239 908 3039 653 Sprint
18566 678 160 8 Covad Communications
4323 636 553 183 Time Warner Communications, I
189 627 448 349 Genuity
6197 613 396 269 BellSouth Network Solutions,
7843 526 438 148 Adelphia Corp.
852 516 1123 410 Telus Advanced Communications
3356 514 10676 429 Level 3 Communications, LLC
209 509 2129 294 Qwest
6198 493 329 191 BellSouth Network Solutions,
7066 493 205 263 Virginia Polytechnic Institut
20115 484 203 293 Charter Communications
1 457 1054 293 GENUITY
705 417 185 254 UUNET Technologies, Inc.
690 411 59 276 Merit Network
4355 394 340 111 EarthLink, Inc.
10753 390 80 195 XCOM Technologies, INC.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 710 2119 589 UUNET - Commercial IP service
3301 295 1168 282 TeliaNet Sweden
3320 271 1989 231 Deutsche Telekom AG
8220 247 431 236 COLT Internet - International
1257 233 374 187 SWIPnet Swedish IP Network
680 232 2054 229 DFN-IP service G-WiN
3215 200 738 113 France Telecom Transpac
719 193 307 123 LANLINK autonomous system
5515 185 779 148 Sonera Solution Autonomous Sy
5400 183 174 133 BT Ignite European Backbone
786 179 1874 179 The JANET IP Service
8708 155 110 152 Romania Data Systems S.A.
3303 143 540 138 Swisscom Ltd
12302 127 18 34 MobiFon S.A.
3246 125 376 123 Song Networks
3269 117 821 64 TELECOM ITALIA
2856 112 1293 103 BTnet UK Regional network
3352 98 824 34 Ibernet, Internet Access Netw
25186 98 127 71 France Telecom Transpac's Tra
2647 89 4129 45 SITA
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 336 103 106 ImpSat
7303 240 40 58 Telecom Argentina Stet-France
8151 233 351 122 UniNet S.A. de C.V.
11172 189 95 45 Servicios Alestra S.A de C.V
16814 151 10 17 NSS, S.A.
6503 132 205 93 AVANTEL, S.A.
10620 127 8 28 TVCABLE BOGOTA
11340 104 3 36 Red Universitaria Nacional
6147 89 70 19 Telefonica Del Peru
11992 89 8 37 Integrated Systems
8065 82 8 17 Empresas Publicas de Medellin
6535 75 5 18 Chilesat Servicios Empresari
15311 75 14 38 Telefonica Empresas
11830 73 21 27 Instituto Costarricense de El
1916 71 305 42 Fundacao de Amparo a Pesquisa
7927 68 6 41 Global One Venezuela
4270 67 18 9 Red de Interconexion Universi
7080 64 4 1 Electronica y Comunicaciones
13999 62 36 8 Mega Cable S.A. de C.V.
7984 59 12 40 Global One Colombia
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 678 670 Covad Communications
4323 636 453 Time Warner Communications, I
3908 920 431 Supernet, Inc.
7018 1389 416 AT&T
7843 526 378 Adelphia Corp.
6197 613 344 BellSouth Network Solutions,
4755 405 336 Videsh Sanchar Nigam Ltd. Aut
6198 493 302 BellSouth Network Solutions,
27364 318 295 Armstrong Cable Services
4355 394 283 EarthLink, Inc.
1221 973 281 Telstra Pty Ltd
189 627 278 Genuity
22909 295 276 Comcast Cable Corporation
6347 351 271 SAVVIS Communications Corpora
1239 908 255 Sprint
376 358 243 Reseau Interordinateurs Scien
25844 242 240 Skadden, Arps, Slate, Meagher
17676 261 236 XTAGE CORPORATION
22773 257 232 Cox Communications, Inc. Atla
7066 493 230 Virginia Polytechnic Institut
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
18413 UNALLOCATED 61.67.0.0/20 4747 Taiwan Telecommunica
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
65100 PRIVATE 210.104.28.0/25 9768 Korea Telecom
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 568 DISO-UNRRA
137.0.0.0/13 568 DISO-UNRRA
158.0.0.0/13 568 DISO-UNRRA
192.43.230.0/24 4738 South Australian Academic Res
192.44.0.0/19 702 UUNET - Commercial IP service
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
192.136.79.0/24 719 LANLINK autonomous system
192.153.136.0/21 568 DISO-UNRRA
192.172.0.0/19 568 DISO-UNRRA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:4 /10:6 /11:12 /12:55
/13:98 /14:267 /15:473 /16:7433 /17:1748 /18:3113
/19:8420 /20:8758 /21:6426 /22:9417 /23:10919 /24:70057
/25:162 /26:203 /27:144 /28:28 /29:9 /30:49
/31:0 /32:22
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 672 678 Covad Communications
3908 581 920 Supernet, Inc.
189 542 627 Genuity
7018 497 1389 AT&T
6197 478 613 BellSouth Network Solutions,
701 440 1477 UUNET Technologies, Inc.
702 426 710 UUNET - Commercial IP service
7066 389 493 Virginia Polytechnic Institut
6198 379 493 BellSouth Network Solutions,
10753 376 390 XCOM Technologies, INC.
690 371 411 Merit Network
20115 329 484 Charter Communications
1239 317 908 Sprint
27364 312 318 Armstrong Cable Services
3356 253 514 Level 3 Communications, LLC
25844 242 242 Skadden, Arps, Slate, Meagher
7843 223 526 Adelphia Corp.
4355 212 394 EarthLink, Inc.
3320 210 271 Deutsche Telekom AG
209 204 509 Qwest
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:2 12:713 13:1 15:4 16:1 17:3
20:6 24:833 25:1 32:84 38:46 40:23
44:2 55:1 57:14 61:323 62:402 63:1872
64:1781 65:1978 66:2657 67:275 68:366 69:243
80:417 81:125 82:16 128:147 129:168 130:62
131:84 132:15 134:168 135:7 136:188 137:115
138:126 139:47 140:162 141:134 142:101 143:43
144:88 145:13 146:275 147:63 148:300 149:79
150:121 151:69 152:218 153:57 154:5 155:126
156:58 157:51 158:135 159:134 160:46 161:68
162:361 163:77 164:318 165:145 166:97 167:313
168:179 169:95 170:328 171:9 192:5395 193:2475
194:1974 195:1135 196:464 198:3615 199:2762 200:3005
202:3919 203:5249 204:2993 205:2046 206:2322 207:2490
208:2563 209:2735 210:910 211:357 212:952 213:916
214:16 215:22 216:3229 217:717 218:104 219:35
220:62 221:11
End of report
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